Metal door



FIG. 1 is a view of one side of a metal door showing our new design, the opposite side view being the same;

FIG. 2 is a view of one edge thereof, the opposite edge view being the same;

FIG. 3 is a view of the top thereof, the bottom view being the same; and

FIG. 4 is an enlarged fragmentary cross-section of each embossment of our new design as taken generally along each line 4--4 of FIG. 1. 

The ornamental design of a metal door, substantially as shown and described. 